Computers have changed a LOT over time. The first computers were the size of a warehouse and to input data you had to punch holes in cards and insert them into the reader.
Then the first computer for getneral public came out in the late 70's. It was completely text based, and to input or save datta you used a 5.5" floppy disk. These computers didn't have a hard drive. To use them you needed to know some programming.
Now we have computers that have hard drives, use CD-ROM/DVD drives, and have an operating system.We have portable computers in the form of laptops and tablets. Even more we have phones that are minature computers themselves.
Yes they greatly have changed over time and are still changing.
They changed overtime because throughout the years the computer got more things. For example, at first the computer was just something you could type on and it had a blue screen. But, now the computers have Internet, word, PowerPoint ......ec.
tech
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the climate
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They break and you die.
Well compared to before movies have more computers involved with computer generated images and there are many effects involved. I'm guessing in the future the effects will just become more realistic.
1997.
Adaptation.
You are describing evolution.